Pricing content defines a major challenge for tomorrow's Internet, since existing models appear to be unworkable. However, the provider of content, commercial ones as well as private persons, show in a commercialized world of interactive trade the clear need for content charging systems, which in particular are necessary for electronic content. Those systems generally are beyond the pure technical scope of a system and they go beyond the economic point of view as well. Only an integrated approach, fully understood in their details and technological
Burkhard Stiller, Kevin C. Almeroth, Jörn Alt